NTT Data Keypad
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The Super Famicom NTT Data Keypad (NDK10) is intended to be used in conjunction with the Super Famicom NTT Data Communication Modem. It adds 15 buttons to an otherwise-normal SNES controller.
Protocol
This controller extends the controller protocol to 32 bits to support the additional buttons. Bits 0-15 match the standard controller except with a different signature, while bits 16-31 match the last 16 bits of a Famicom Network Controller.
0 - B 1 - Y 2 - ᐊ / 前ページ (Previous page) 3 - ᐅ / 次ページ (Next page) 4 - Up 5 - Down 6 - Left 7 - Right 8 - A 9 - X 10 - L 11 - R 12 - (Always 0) 13 - (Always 1) 14 - (Always 0) 15 - (Always 0) 16 - 0 17 - 1 18 - 2 19 - 3 20 - 4 21 - 5 22 - 6 23 - 7 24 - 8 25 - 9 26 - * 27 - # 28 - . 29 - C 30 - (Always 0) 31 - 通信終了 (End communication) 32+ - (Always 1)
Links
- Super Famicom NTT Data Keypad at NESDev Wiki